44277993 has 6 divisors (see below), whose sum is σ = 63957114. Its totient is φ = 29518656.

The previous prime is 44277973. The next prime is 44278001. The reversal of 44277993 is 39977244.

It can be written as a sum of positive squares in only one way, i.e., 41835024 + 2442969 = 6468^2 + 1563^2 .

It is not a de Polignac number, because 44277993 - 2⁶ = 44277929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44277913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2459880 + ... + 2459897.

It is an arithmetic number, because the mean of its divisors is an integer number (10659519).

Almost surely, 2^44277993 is an apocalyptic number.

It is an amenable number.

44277993 is a deficient number, since it is larger than the sum of its proper divisors (19679121).

44277993 is a wasteful number, since it uses less digits than its factorization.

44277993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919783 (or 4919780 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 44277993 is about 6654.1710978904. The cubic root of 44277993 is about 353.7767672354.

The spelling of 44277993 in words is "forty-four million, two hundred seventy-seven thousand, nine hundred ninety-three".